greybus: makefile: add MMC to the required option list

Add MMC to the list of options that shall be enable.

Signed-off-by: Rui Miguel Silva <rui.silva@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
This commit is contained in:
Rui Miguel Silva 2015-06-22 14:03:51 +01:00 • committed by Greg Kroah-Hartman
commit 656f22e94e